One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,5)(4,6)(7,8)(9,10)(11,13)(12,14)(15,16)(17,18,23,24,22,19,21,20)(1,3,4,7)(2,5,6,8)(9,10)(11,15)(12,14)(13,16)(17,19,22,18)(20,23,24,21)(2,6)(5,8)(9,11)(10,13)(12,16)(14,15)(18,19)(20,24) involution — undirected(11,16)(13,15)(17,20,21,19,22,24,23,18)(10,14)(13,15)(17,21,22,23)(18,20,19,24)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.